How to read the band →
Solid line = floor (spellings that unambiguously belong to the group). Shaded band up to the dashed edge = ceiling (the most it could reach if every ambiguous spelling counted here).
Chris
Chris is now well below its former popularity. All-time it's been given to 202,515 U.S. babies, the 1,097th most common name by sound today, peaking at 10,066 in 1961, with 490 in 2025.
By sound, Chris also includes the spellings Kris, Cris.
Rising
Source: U.S. Social Security Administration, “National data” baby-names files (1880–2025).